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Class Information
Number: 472/74
Name: Amusement devices > Illusion or stage device > Illusion caused by abnormal interior building structure appearing normal
Description: Amusement device wherein the illusionary effect created by the device involves a person entering into the inner portion (e.g., a furnished room) of an apparently conventionally constructed architectural housing arrangement (i.e., a building); and the person either physically experiences (e.g., the person has difficulty walking across the floor of a room) or visually observes (e.g., the person observes water running uphill) an event or an occurrence that, in his mind, cannot be possible; whereby the person experiencing or observing the illusion is unaware that the construction of the housing arrangement has been modified or altered to create the illusion.

Patents under this class:

Patent Number Title Of Patent Date Issued
8584414 Reverse-perspective architecture Nov. 19, 2013
6935961 Conjuring tool for performing coin increasing trick Aug. 30, 2005
6202666 Tent with a photographic panoramic facsimile of a real space on its surface Mar. 20, 2001
6152829 Device and process for producing effects Nov. 28, 2000
6139160 Structure for generating a virtual polyhedral space Oct. 31, 2000
6135601 Architectural structure for generating a virtual polyhedral space Oct. 24, 2000
6074307 Set transformation effect Jun. 13, 2000
4428575 Optical illusion chamber Jan. 31, 1984

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